/**
 *
 *    geo-platform
 *    Rich webgis framework
 *    http://geo-platform.org
 *   ====================================================================
 *
 *   Copyright (C) 2008-2021 geoSDI Group (CNR IMAA - Potenza - ITALY).
 *
 *   This program is free software: you can redistribute it and/or modify it
 *   under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version. This program is distributed in the
 *   hope that it will be useful, but WITHOUT ANY WARRANTY; without
 *   even the implied warranty of MERCHANTABILITY or FITNESS FOR
 *   A PARTICULAR PURPOSE. See the GNU General Public License
 *   for more details. You should have received a copy of the GNU General
 *   Public License along with this program. If not, see http://www.gnu.org/licenses/
 *
 *   ====================================================================
 *
 *   Linking this library statically or dynamically with other modules is
 *   making a combined work based on this library. Thus, the terms and
 *   conditions of the GNU General Public License cover the whole combination.
 *
 *   As a special exception, the copyright holders of this library give you permission
 *   to link this library with independent modules to produce an executable, regardless
 *   of the license terms of these independent modules, and to copy and distribute
 *   the resulting executable under terms of your choice, provided that you also meet,
 *   for each linked independent module, the terms and conditions of the license of
 *   that module. An independent module is a module which is not derived from or
 *   based on this library. If you modify this library, you may extend this exception
 *   to your version of the library, but you are not obligated to do so. If you do not
 *   wish to do so, delete this exception statement from your version.
 */
package org.geosdi.geoplatform.gui.client.configuration.getmap.choise.mediator;

import org.geosdi.geoplatform.gui.client.configuration.getmap.choise.mediator.colleague.GetMapChoiseColleague;
import org.geosdi.geoplatform.gui.client.configuration.getmap.choise.mediator.colleague.GetMapColleagueKey;
import org.geosdi.geoplatform.gui.client.widget.tree.form.GPTreeFormWidget;
import org.geosdi.geoplatform.gui.configuration.choice.mediator.AbstractChoiseMediator;
import org.geosdi.geoplatform.gui.configuration.choice.mediator.colleague.ChoiseColleague;

/**
 *
 * @author Giuseppe La Scaleia - CNR IMAA geoSDI Group
 * @email giuseppe.lascaleia@geosdi.org
 */
public class GetMapChoiseMediator extends AbstractChoiseMediator<GPTreeFormWidget, GetMapColleagueKey, GetMapChoiseColleague> {

    @Override
    public void registerChoiseColleague(GetMapChoiseColleague choiseColleague) {
        if (!super.isChoiseColleagueRegistered(
                choiseColleague.getChoiseColleagueKey())) {
            super.choiseColleagueRegistry.put(
                    choiseColleague.getChoiseColleagueKey(),
                    choiseColleague);
        }
    }

    @Override
    public void displayChoiseWidget(GetMapColleagueKey key) {
        if (this.defaultColleague != null) {
            super.widget.getFormPanel().remove(
                    defaultColleague.getChoiseWidget());
        }

        this.defaultColleague = super.getChoiseColleague(key);

        if (defaultColleague == null) {
            throw new IllegalStateException("Display Choise Widget Problem ."
                    + "The Colleague with key : " + key
                    + " - was not found in Registry.");
        }

        super.widget.getFormPanel().add(defaultColleague.getChoiseWidget());
        super.widget.layout(true);
    }

    @Override
    public void hideChoiseWidget(GetMapColleagueKey key) {
        this.defaultColleague = null;

        ChoiseColleague colleague = super.getChoiseColleague(key);

        if (colleague == null) {
            throw new IllegalStateException("Unable to find Colleague with "
                    + "key = " + key + " in Choise Colleague Registry");
        }

        super.widget.getFormPanel().remove(colleague.getChoiseWidget());
    }

}
